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Finding the Fourth Proportional to 250,604.31, 375,906.35 and 73,111.23

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Solution

The fourth proportional to 250,604.31, 375,906.35 and 73,111.23 is: 109,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,604.31 : 375,906.35 = 73,111.23 : x
  2. Step 2: Convert to fraction form
    250,604.31/375,906.35 = 73,111.23/x
  3. Step 3: Cross multiply
    250,604.31x = 375,906.35 × 73,111.23
  4. Step 4: Simplify right side
    250,604.31x = 27,482,975,247.75
  5. Step 5: Solve for x
    x = 27,482,975,247.75/250,604.31
  6. Step 6: Final answer
    x = 109,666.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.